<template>
  <div class="building-container">
    <!-- 搜索区域 -->
    <div class="search-container">
      <div class="search-label">企业名称：</div>
      <el-input v-model="pageParams.name" clearable placeholder="请输入内容" class="search-main" @clear="onSearch" />
      <el-button type="primary" @click="onSearch">查询</el-button>
    </div>
    <div class="create-container">
      <el-button type="primary" @click="$router.push({path:'/management/manageradd'})">添加企业</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table style="width: 100%" :data="list" @expand-change="expandHandle">
        <!-- 新增：展开部分 -->
        <el-table-column type="expand">
          <template #default="{ row }">
            <el-table :data="row.rentList">
              <el-table-column label="租赁楼宇" width="280" prop="buildingName" />
              <el-table-column label="租赁起始时间" prop="startTime" />
              <el-table-column label="合同状态" prop="status">
                <template #default="scope">
                  <el-tag :type="formatInfoType(scope.row.status)">
                    {{ formatStatus(scope.row.status) }}
                  </el-tag>
                </template>
              </el-table-column>
              <el-table-column label="操作" width="320">
                <template #default="scope">
                  <el-button size="mini" type="text" :disabled="(scope.row.status === 2)">续租</el-button>
                  <el-button size="mini" type="text" @click="outRent(scope.row.id)">退租</el-button>
                  <el-button size="mini" type="text" :disabled="!(scope.row.status === 3)">删除</el-button>
                </template>
              </el-table-column>
            </el-table>
          </template>
        </el-table-column>
        <el-table-column type="index" label="序号" />
        <el-table-column prop="contact" label="企业名称" width="320" />
        <el-table-column prop="name" label="联系人" />
        <el-table-column prop="contactNumber" label="联系电话" />
        <el-table-column label="操作">
          <template #default="{row}">
            <el-button size="mini" type="text" @click="addRent(row.id)">添加合同</el-button>
            <el-button size="mini" type="text" @click="$router.push({path:`/management/detail/${row.id}`})">查看</el-button>
            <el-button size="mini" type="text" @click="$router.push({path:`/management/manageradd/${row.id}`})">编辑</el-button>
            <el-popconfirm title="这是一段内容确定删除吗？" @onConfirm="delEnterprise(row.id)">
              <el-button slot="reference" size="mini" type="text" style="margin-left:10px">删除</el-button>
            </el-popconfirm>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <div class="page-container">
      <el-row type="flex" style="height: 60px;" align="middle" justify="center">
        <el-pagination
          layout="total, prev, pager, next"
          :total="total"
          :page-size="pageParams.pageSize"
          :current-page="pageParams.page"
          @current-change="changePage"
        />
      </el-row>
    </div>
    <el-dialog title="添加合同" :visible="rentDialogVisible" width="600px" @close="closeDialog">
      <!-- 表单区域 -->
      <div class="form-container">
        <!-- 表单模版 -->
        <div class="form-container">
          <el-form ref="addFormRef" :model="rentForm" :rules="rentRules" label-position="top">
            <el-form-item label="租赁楼宇" prop="buildingId">
              <el-select v-model="rentForm.buildingId" placeholder="请选择">
                <el-option
                  v-for="item in rentBuildList"
                  :key="item.id"
                  :label="item.name"
                  :value="item.id"
                />
              </el-select>
            </el-form-item>
            <el-form-item label="租赁起止日期" prop="rentTime">
              <el-date-picker
                v-model="rentForm.rentTime"
                type="daterange"
                range-separator="至"
                start-placeholder="开始日期"
                end-placeholder="结束日期"
                value-format="yyyy-MM-dd"
              />
            </el-form-item>
            <el-form-item label="租赁合同" prop="contractId">
              <el-upload action="#" :http-request="uploadHandle" :before-upload="beforeUpload" :file-list="contractList">
                <el-button size="small" type="primary" plain>上传合同文件</el-button>
                <div slot="tip" class="el-upload__tip">支持扩展名：.doc .pdf, 文件大小不超过5M</div>
              </el-upload>
            </el-form-item>
          </el-form>
        </div>
      </div>
      <template #footer>
        <el-button size="mini" @click="closeDialog">取 消</el-button>
        <el-button size="mini" type="primary" @click="confirmAdd">确 定</el-button>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import { createRentApi, delEnterpriseApi, getEnterpriseListApi, getRentBuildListApi, getRentListApi, outRentApi, uploadApi } from '@/api/management'

export default {
  name: 'Management',
  data() {
    return {
      list: [],
      total: null,
      pageParams: {
        name: '',
        page: 1,
        pageSize: 5
      },
      rentDialogVisible: false, // 是否显示添加合同弹框
      rentForm: {
        buildingId: null, // 楼宇id
        contractId: null, // 合同id
        contractUrl: '', // 合同Url
        enterpriseId: null, // 企业名称
        type: 0, // 合同类型
        rentTime: [] // 合同时间
      },
      rentRules: {
        buildingId: [
          { required: true, message: '请选择楼宇', trigger: 'change' }
        ],
        rentTime: [
          { required: true, message: '请选择租赁日期', trigger: 'change' }
        ],
        contractId: [
          { required: true, message: '请上传合同文件' }
        ]
      },
      rentBuildList: [], // 楼宇列表
      contractList: [] // 合同文件列表
    }
  },
  created() {
    this.getEnterpriseList()
    this.getRentBuildList()
  },
  methods: {
    // 格式化 tag 类型
    formatInfoType(status) {
      const MAP = {
        0: 'warning',
        1: 'success',
        2: 'info',
        3: 'danger'
      }
      // return 格式化之后的中文显示
      return MAP[status]
    },
    // 格式化 status
    formatStatus(type) {
      const TYPEMAP = {
        0: '待生效',
        1: '生效中',
        2: '已到期',
        3: '已退租'
      }
      return TYPEMAP[type]
    },
    // 获取企业列表
    async getEnterpriseList() {
      const { total, rows } = await getEnterpriseListApi(this.pageParams)
      this.list = rows.map((item) => {
        return {
          ...item,
          rentList: []
        }
      })
      this.total = total
    },
    // 分页
    changePage(newPage) {
      this.pageParams.page = newPage // 赋值当前页码
      this.getEnterpriseList()
    },
    // 搜索
    onSearch() {
      this.pageParams.page = 1
      this.getEnterpriseList()
    },
    // 删除企业
    async delEnterprise(id) {
      await delEnterpriseApi(id)
      this.$message.success('删除成功')
      this.onSearch()
    },
    // 打开弹层
    addRent(id) {
      this.rentDialogVisible = true
      this.rentForm.enterpriseId = id
    },
    // 关闭弹层
    closeDialog() {
      this.rentDialogVisible = false
    },
    // 获取租房楼宇列表
    async getRentBuildList() {
      const res = await getRentBuildListApi()
      this.rentBuildList = res
    },
    // 上传前验证
    beforeUpload(file) {
      const allowImgType = ['application/pdf', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/msword'].includes(file.type)
      const isLt5M = file.size / 1024 / 1024 < 5

      if (!allowImgType) {
        this.$message.error('上传合同文件只能是 .doc, .pdf 格式!')
      }
      if (!isLt5M) {
        this.$message.error('上传合同文件大小不能超过 5MB!')
      }
      return allowImgType && isLt5M
    },
    // 上传合同
    async uploadHandle(fileData) {
      // 1. 处理FormData
      const { file } = fileData
      const formData = new FormData()
      formData.append('file', file)
      formData.append('type', 'contract')
      // 2. 上传并赋值
      const res = await uploadApi(formData)
      const { id, url } = res
      this.rentForm.contractId = id
      this.rentForm.contractUrl = url
      this.contractList.push({ name: file.name, url: url })
      // 单独校验表单
      this.$refs.addFormRef.validateField('contractId')
    },
    // 确认添加
    async  confirmAdd() {
      await this.$refs.addFormRef.validate()
      const { buildingId, contractId, contractUrl, enterpriseId, type } = this.rentForm
      console.log({
        buildingId, contractId, contractUrl, enterpriseId, type,
        startTime: this.rentForm.rentTime[0],
        endTime: this.rentForm.rentTime[1]
      })
      await createRentApi({
        buildingId, contractId, contractUrl, enterpriseId, type,
        startTime: this.rentForm.rentTime[0],
        endTime: this.rentForm.rentTime[1]
      })
      // 关闭弹框
      this.rentDialogVisible = false
      this.$message.success('添加合同成功')
      // 重置表单
      this.$refs.addFormRef.resetFields()
      this.rentForm.contractUrl = ''
      this.rentForm.contractId = ''
      this.contractList = []
    },
    // 获取合同列表
    // 只有展开时获取数据并绑定
    // row: 当前展开那行表格的数据对象
    // rows：当前已展开的所有行表格的数据对象的集合
    async expandHandle(row, rows) {
      // rows 中包含当前展开行数据，说明是展开状态
      const isExpend = rows.find(item => item.id === row.id)
      // 因为展开/关闭都会触发此事件函数，做个判断只有展开时获取数据
      if (isExpend) {
        const res = await getRentListApi(row.id)
        console.log(res)
        res.forEach(obj => {
          row.rentList.push(obj)
        })
      } else {
        // 关闭时，把当前行的合同列表清空，防止下次打开时不断 push 叠加
        row.rentList.splice(0)
      }
    },
    outRent(rentId) {
      this.$confirm('确认退租吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        // 1. 调用接口
        await outRentApi(rentId)
        // 2. 重新拉取列表
        this.expandHandle()
        this.$message({
          type: 'success',
          message: '退租成功!'
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.building-container{
  padding: 10px;
}
.department-container {
  padding: 10px;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, .9);
  ;
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}
.create-container{
  margin: 10px 0px;
}
.page-container{
  padding:4px 0px;
  text-align: right;
}
.form-container{
  padding:0px 30px;
}
</style>
